Richards, Michael P. Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Max Planck Society;
Richards, M. P., Greer, S., Corr, L. T., Beattie, O., Mackie, A., Evershed, R. P., et al. (2007). Radiocarbon Dating and Dietary Stable Isotope Analysis of Kwaday Dan Ts'inchi. American Antiquity, 72(4), 719-733.